IJO1345 Features: * Fits threaded plastic radiator caps on newer GM engines * Provides an extra grip to remove stubborn radiator caps * Use with 3/8” square drive for extra leverage * For use on many Chevrolet, GMC, Pontiac, Oldsmobile and Buick vehicles * For Cavalier, Malibu, Trailblazer and some pickups, Sunfire, G6, Alero and LeSabre * Radiator Cap Wrench for GM Warranty: * Lifetime warranty does not cover abuse